Fig. 4From: Agreement between low-dose and ultra-low-dose chest CT for the diagnosis of viral pneumonia imaging patterns during the COVID-19 pandemicBland–Altman plot of difference in CT score (ultra-low-dose score minus low-dose CT score) against the mean score of the two methods; cases over limit = 10 (5.99%); cases under limit = 6 (3.59%)Back to article page